All CRM equivalent to ... are produced by CPAchem using high-purity metals or salts in sub-boiling distilled acids. CPAchem's quality system is currently ISO 9001 certified. CPAchem's quality control laboratory is ISO 17025:2005 registered/certified. CPAchem is ISO 17034:2016 registered/certified while demonstrating technical competence in the field of Reference Material Producer.
| 1x | PCB 147 CAS:68194-13-8 | EUR 129.44 |
| 1x | Sodium Thiosulphate 0.1M (0.1N) | EUR 24.00 |
| 2x | Discount for non-paper Certificate of Analysis | EUR -2.00 |